Patents by Inventor Hidetoshi Takamoku

Hidetoshi Takamoku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4045338
    Abstract: The invention is a filter which comprises a porous support covered by carbonaceous fibers having a carbon content of at least 85%, wherein the individual fibers have a length in the range of from 0.1 to 5 mm and a diameter in the range of from 1 to 50 .mu. and acidic groups in a concentration of at least 0.01 meq/g on their surface. The filter is particularly useful for removing substances from water in a supply system for a steam generator.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: August 30, 1977
    Assignees: Mitsubishi Rayon Co., Ltd., Mitsubishi Heavy Industries, Ltd.
    Inventors: Haruo Miyamoto, Tokuhisa Miyamatsu, Seiichi Shirakawa, Hidetoshi Takamoku